Setting up a network card in Solaris (prior to Solaris 11) involving plumbing the interface prior to configuring it. If you did not plumb the interface, you did not see the interface. This is a feature which many people liked but was missing from Linux until quite recently. One recent feature in the Linux kernel (2.6.13 and later), is the ability to bind or unbind a device driver from user space. This can be used to make a network interface completely disappear from the output of ifconfig -a. Previously, the only way to disconnect a driver from a device was